source/renderer/BlendShapes.h

   1 /* Copyright (C) 2009 Wildfire Games.
   2  * This file is part of 0 A.D.
   3  *
   4  * 0 A.D. is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * 0 A.D. is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef INCLUDED_BLENDSHAPES
  19 #define INCLUDED_BLENDSHAPES
  20
  21 struct BlendShape4
  22 {
  23 public:
  24         BlendShape4() {}
  25         BlendShape4(int a,int b,int c,int d) {
  26                 m_Data[0]=a; m_Data[1]=b; m_Data[2]=c; m_Data[3]=d;
  27         }
  28
  29         int& operator[](int index) { return m_Data[index]; }
  30         const int& operator[](int index) const { return m_Data[index]; }
  31
  32         bool operator==(const BlendShape4& lhs) const {
  33                 return memcmp(m_Data,lhs.m_Data,sizeof(BlendShape4))==0;
  34         }
  35
  36         void Rotate90(BlendShape4& dst) const {
  37                 dst[0]=m_Data[3];
  38                 dst[1]=m_Data[0];
  39                 dst[2]=m_Data[1];
  40                 dst[3]=m_Data[2];
  41         }
  42
  43         void Rotate180(BlendShape4& dst) const {
  44                 dst[0]=m_Data[2];
  45                 dst[1]=m_Data[3];
  46                 dst[2]=m_Data[0];
  47                 dst[3]=m_Data[1];
  48         }
  49
  50         void Rotate270(BlendShape4& dst) const {
  51                 dst[0]=m_Data[1];
  52                 dst[1]=m_Data[2];
  53                 dst[2]=m_Data[3];
  54                 dst[3]=m_Data[0];
  55         }
  56
  57         void FlipU(BlendShape4& dst) const {
  58                 dst[0]=m_Data[2];
  59                 dst[1]=m_Data[1];
  60                 dst[2]=m_Data[0];
  61                 dst[3]=m_Data[3];
  62         }
  63
  64         void FlipV(BlendShape4& dst) const {
  65                 dst[0]=m_Data[0];
  66                 dst[1]=m_Data[3];
  67                 dst[2]=m_Data[2];
  68                 dst[3]=m_Data[1];
  69         }
  70
  71 private:
  72         int m_Data[4];
  73 };
  74
  75
  76 struct BlendShape8
  77 {
  78 public:
  79         BlendShape8() {}
  80         BlendShape8(int a,int b,int c,int d,int e,int f,int g,int h) {
  81                 m_Data[0]=a; m_Data[1]=b; m_Data[2]=c; m_Data[3]=d;
  82                 m_Data[4]=e; m_Data[5]=f; m_Data[6]=g; m_Data[7]=h;
  83         }
  84
  85         int& operator[](size_t index) { return m_Data[index]; }
  86         const int& operator[](size_t index) const { return m_Data[index]; }
  87
  88         bool operator==(const BlendShape8& lhs) const {
  89                 return memcmp(m_Data,lhs.m_Data,sizeof(BlendShape8))==0;
  90         }
  91
  92         void Rotate90(BlendShape8& dst) const {
  93                 dst[0]=m_Data[6];
  94                 dst[1]=m_Data[7];
  95                 dst[2]=m_Data[0];
  96                 dst[3]=m_Data[1];
  97                 dst[4]=m_Data[2];
  98                 dst[5]=m_Data[3];
  99                 dst[6]=m_Data[4];
 100                 dst[7]=m_Data[5];
 101         }
 102
 103         void Rotate180(BlendShape8& dst) const {
 104                 dst[0]=m_Data[4];
 105                 dst[1]=m_Data[5];
 106                 dst[2]=m_Data[6];
 107                 dst[3]=m_Data[7];
 108                 dst[4]=m_Data[0];
 109                 dst[5]=m_Data[1];
 110                 dst[6]=m_Data[2];
 111                 dst[7]=m_Data[3];
 112         }
 113
 114         void Rotate270(BlendShape8& dst) const {
 115                 dst[0]=m_Data[2];
 116                 dst[1]=m_Data[3];
 117                 dst[2]=m_Data[4];
 118                 dst[3]=m_Data[5];
 119                 dst[4]=m_Data[6];
 120                 dst[5]=m_Data[7];
 121                 dst[6]=m_Data[0];
 122                 dst[7]=m_Data[1];
 123         }
 124
 125         void FlipU(BlendShape8& dst) const {
 126                 dst[0]=m_Data[4];
 127                 dst[1]=m_Data[3];
 128                 dst[2]=m_Data[2];
 129                 dst[3]=m_Data[1];
 130                 dst[4]=m_Data[0];
 131                 dst[5]=m_Data[7];
 132                 dst[6]=m_Data[6];
 133                 dst[7]=m_Data[5];
 134         }
 135
 136         void FlipV(BlendShape8& dst) const {
 137                 dst[0]=m_Data[0];
 138                 dst[1]=m_Data[7];
 139                 dst[2]=m_Data[6];
 140                 dst[3]=m_Data[5];
 141                 dst[4]=m_Data[4];
 142                 dst[5]=m_Data[3];
 143                 dst[6]=m_Data[2];
 144                 dst[7]=m_Data[1];
 145         }
 146
 147 private:
 148         int m_Data[8];
 149 };
 150
 151 #endif